echo 'digraph {

"Kanata Ubuyashiki" -> "Kiriya Ubuyashiki" [taillabel = "Twin sister of"]
"Kagaya Ubuyashiki" -> "Kiriya Ubuyashiki" [taillabel = "Daughter of"]
"Kiriya Ubuyashiki" -> "Kanata Ubuyashiki" [taillabel = "Twin sister of"]
"Kagaya Ubuyashiki" -> "Kanata Ubuyashiki" [taillabel = "Daughter of"]
"Kiriya Ubuyashiki" -> "Kagaya Ubuyashiki" [taillabel = "Father of"]
"Kanata Ubuyashiki" -> "Kagaya Ubuyashiki" [taillabel = "Father of"]
}' | dot -Tsvg > output.svg